艏艉密封装置安装工艺规程（汉英对照）

'DNSSHIPDESIGN&RESEARCHINSTITUTEThesealinstallationtechnologyprocedureDNS507-400-16008GYTotalsheets6sheet6艏艉密封装置安装工艺规程Thesealingplantsinstallationtechnologyprocedure1船上安装前准备Preparationworkbeforeinstallationonboard1.1打开密封检查是否有损坏现象。Openingthesealingplantandcheckiftherearedefects.1.2检查艉轴管、艉管轴承、螺旋桨及螺旋桨轴是否清洁及有损伤现象。CleaningtheS/Thousingandbearings,propellerandshaft.1.3使用干净的安装设备、工具，防止安装过程中异物进入到艉轴管和密封中。TopreventthedirtythingintotheS/Thousingandsealingplantduringtheinstallation.2船上安装Installationonboard2.1将螺旋桨轴运至船上适当位置，去掉防护装置。将轴表面清理干净后，均匀的涂一层滑油。Putthepropellershaftonboardinposition,cleaningitandpaintingwithL.O..2.2将艏密封装置套入螺旋桨轴（包括密封圈）。在将轴插入艉管的过程中，不断的向前移动密封装置。Puttheforwardsealingplantroundthepropellershaft.Tobecarefulduringinstallingthepropellershafttopreventthesealingplantfromdamage.2.3用一个手拉葫芦将艏密封吊起，对密封进行必要的调整以免对密封环造成扭曲或损坏。Liftingtheforwardsealingplantandadjustingittoavoid DNSSHIPDESIGN&RESEARCHINSTITUTEThesealinstallationtechnologyprocedureDNS507-400-16008GYTotalsheets6sheet6damage.2.4安装艉密封前，检查轴的位置以及轴承间隙。Checkingtheclearanceofshaftandbearingsbeforeinstallingaftseal.2.5将艉密封装置及有关的密封圈穿到螺旋桨轴上，穿的过程中要进行调整，以防密封发生扭曲或损坏。Installingtheaftsealingplantandadjustingittoavoiddamage.2.6压装螺旋桨。Installingthepropeller.2.7为防止艉密封装置在安装过程中发生扭曲等异常现象，可将固定密封套和箱体的锁紧板螺栓松开，但不要取下。Inordertopreventtheaftsealingplantfromdamageduringinstallation,unlockthemountingstrapbutdon’ttakeitaway.2.8连接艉密封各处螺栓，并按表1和图1中给出的数据对艉密封进行调整，以使表中的数据要求得以满足。Adjustingtheaftsealingplanttosatisfytherequirementintable1andfig.1.thentighteningthebolts.2.9上紧艉密封各处螺栓，再次测量表1和图1中要求的数据。拆除锁紧板。Measuringthedataagainaftertighteningthebolts.Thendismantlingthemountingstrap.2.10安装艏密封。密封安装前，测量轴承与轴的间隙。Measuringtheclearanceofshaftandbearingbeforeinstallingtheforwardsealingplant.2.11连接艏密封各处螺栓，并按表1和附图1中给出的数据对艏密封进行调整，以使表中的数据要求得以满足。 DNSSHIPDESIGN&RESEARCHINSTITUTEThesealinstallationtechnologyprocedureDNS507-400-16008GYTotalsheets6sheet6Adjustingforwardsealingplanttosatisfytherequirementinthetable1andFig.1.thentighteningthebolts.2.12上紧艏密封各处螺栓，再次测量表1和附图1中要求的数据。Measuringthedataagainaftertighteningthebolts.2.13密封装置安装结束后，用不锈钢丝将螺栓锁紧。Afterinstallation,lockboltswithsteelwire.表1(table1)单位(unit)：mm测量点measurepoint允许值value测量方法measuremethod艉密封A不锈钢套和密封箱体之间间隙偏差Deviationoftheclearanceintheoppositeposition0.50用木楔配合卡尺沿圆周均布测四点（上、下、左、右）checkclearancesbetweenchromesteellinersandcasingwithwedgesandcallipersinfourposition(top,bottom,portandstarboard.B不锈钢套偏心度Eccentricityoftheliner0.20用百分表配合盘轴turningshaftandmeasuringwithdialgaugeE螺旋桨前端面到艉管后端面之间的距离thedistancebetweenforeendsurfaceofpropellerandaftendsurfaceofS/T245+50艏密封C不锈钢套和密封箱体之间间隙偏差Deviationoftheclearanceintheoppositeposition0.50用木楔配合卡尺沿圆周均布测四点（上、下、左、右）checkclearancesbetweenchromesteellinersandcasingwithwedgesandcallipersinfourposition(top,bottom,portandstarboard.D不锈钢套偏心度Eccentricityoftheliner0.20用千分表配合盘轴turningshaftandmeasuringwithdialgaugeF前密封夹紧环前端面到艉管前端面之间的距离thedistancebetweentheforeendsurfaceofclampringofFWDsealingplantandforeendsurfaceofS/T241±3 DNSSHIPDESIGN&RESEARCHINSTITUTEThesealinstallationtechnologyprocedureDNS507-400-16008GYTotalsheets6sheet6附图1.艏艉密封示意图Figure1:ThesketchforFWDandAFTsealingplant3注油和泄漏试验Fillingoilandleakagetest3.1滑油注入艉轴管后的泄漏试验TheleakagetestofS/TafterfillingwithL.O.3.1.1艉管滑油系统串油清洗结束后，可以进行此项试验。ThetestwillbecarriedoutaftertheS/TL.O.systemhaveflushed.3.1.2试验时，要将位于艏、艉密封底部泄放塞拿掉，但艏、艉密封内不要注油。Thedrainingpluginthebottomofthesealingplantshouldberemovedwhentest,butdon’tfillingtheoilintosealingplants.3.1.3向艉管内注入滑油，并利用低位重力油柜的静压力进行3小时以上的泄漏试验。Fillingthesterntubewithoilfromthelowgravitytankandcheckleakagefromsealingplantsmorethan3hourslater. DNSSHIPDESIGN&RESEARCHINSTITUTEThesealinstallationtechnologyprocedureDNS507-400-16008GYTotalsheets6sheet63.2滑油注入密封后的泄漏试验ThetestofsealingplantsafterfillingwithL.O.3.2.1艏密封Forwardsealingplant从艏密封油柜向艏密封装置供油。进行4小时的泄漏试验。FillingtheFWDsealingwithL.O.fromFWDsealhadtankandThetesttimeshouldbekeptforfourhours.3.2.2艉密封Aftsealingplant从艉密封箱上部的孔向2号和3号密封环注油（见附图1），然后旋紧塞子。进行4个小时的泄漏试验FillingtheNo.2andNo.3sealingringwithL.O.(seefigure1),thentighteningtheplug.Thetesttimeshouldbekeptforfourhours.4测量艉管轴承磨损原始数据，并作出测量报告提交船东船检。MeasuringtheoriginalweardataofbearingandsubmitthereporttoOwnerandClass.5密封的防护protectionofsealingplant5.1对密封要进行有效的防护，防止异物颗粒进入密封中。Coversealingplanttokeepthemawayfromforeignparticles.5.2船舶停放期间，必须避免对密封环施加高油压。Theapplicationofhighoilpressureonthesealringsshouldbepreventedduringthestandstill.'